How do you get a preset for AVCHD? I googled but came up empty. Can you download more presets from Adobe somehow?

I'm having the same issue. Tried the m2ts trick; didn't work. Tried following Art's directions; didn't work. My best idea right now is to use FCP7 to transcode everything to ProRes before importing into CS6. And that's just stupid.

It's not just a Windows problem... Im having the same issue on a mac... 5.5 it works... 6 it don't.
Saw something about renaming the file to M2TS but that defeats the whole purpose of transferring the media off the disc image (.dmg) I created when I archived the SDHC cards. The whole idea is to edit right off the mounted, unwritable .dmg volumes...
It's only been 6 days.. I suppose we'll hear soo enough.
For now, there's 5.5 (or 5... whatever it is)

I just bought a Canon Vixia HF G30. I recorded in 1080 60fps AVCHD. I hear the audio when I play it on the camcorder but when I transfer to the computer it's just the video. When I go into properties of the files it says there is no audio in the file. Please help, I'm ready to return this camera even though I enjoy using it. I have some video on my sd card that I really, really want with the audio. But I can only hear it when playing on the camcorder. HELP!

I have the same problem. To all above suggestions I follows list of my experiences:
- copy AVCHD to HDisk (= no audio)
- rename to .AVI, Premiere CS6 is not supporting file format
- rename to .M2TS (header error)
- rename to .MP4 (= no audio)
- change sequence setup tracks to 5.1 (= no audio)
- the same with AVCHD files from Panasonic HMC151, AC90, Lumix LX7,...
Only successful solution at this moment is converting files to .MP4 with Wondershare Video Converter Ultimate (YES audio is OK, but file size after conversion is about half). I hope should come some good solution from Adobe.

Did anyone find a solution to this? The above mentioned don't work for me. I downloaded PP again from Adobe and re installed and tried the MT2S rename but I still can't drop a MTS files into a sequence with Audio?

As everyone says it works well in CS5.5 but not in CS6

When I drop the MTS file into CS5.5 it creates 3 Audio Tracks. I am new to MTS. my new camera uses them, but prior to that I was using AVI and MP4.

This is very frustrating as now I can't use the footage from my new camera without going back to CS5.5 grrr.

What's going on ADOBE? I downloaded the Update from their site too but no better.

I found a solution (kind of...)
1. Import the clip into CS5.5
2. Do not edit it, just export it to a folder. BUT Audio ONLY!
3. Open SC6 and import the same clip into the new project. There will be no sound of course :(, drop it on the time line.
4. Import the audio file from the folder into the project. And drop it
on timeline. It will perfectly fit the original video clip. Done.

Be sure that the only problem is the activation. I tried all things; and the activation is the key.
If you instal, put serial, etc but do not activate you will not have the sound.
Sound on .MTS files is after a successful activation. Sound comes. with or without update.

I have the same problem. I have a mixed bag of footage, including some .avi (Sony HDR SR10 handycam) and .mts (Sony DCR-HC85). MTS is a pain. When I import through media browser or direct file import, I have Video AND audio. When I then try to bring the footage from source into sequence, the audio is gone. In some cases, I see some audio appearing BELOW the Master line, including a warning that "this clip does not match the sequence's setting", with the options keep or change settings. If I change the settings, the audio moves from below the master to Audio 4 and I have audio.

Strange thing: the Audio mixer shows below as names Audio 1 through 4 and most left is master. However, on top, it shows audio 1 through 3 with a drop-down menu set on "master" and a radio turning knob. The fourth (below mentioned as audio 4) has the drop-down menu but no radio knob. Then the fifth has nothing on top but is below mentioned as master??

Tried some other source clips that earlier did not work. Now they work, but all are putting audio in this audio 4 track.

This seems to be an existing bug. Exactly the same thread on an Adobe forum. What #$#@ me off is that in the other (Adobe) thread the experts keep saying something is wrong in what we amateurs do.

Seems one option is to download and keep the entire directory structure including all associated file and folder structure when capturing/copying miniDV tapes. Delete or move one file and you are up the creek. If you only have the .mts file, you must have done something wrong.

Which is bull. I renamed several .mts files already and can play these files with video AND audio without problem on WMP and several other players. Even in PP CS6 in media browser and after importing it in the source window it works with sound. Things only go wrong when going from source to sequence.

According the other thread, these same files worked without problem in CS5.5, but in CS6 this step suddenly causes problems. So this is clearly something in CS6 but the experts keep saying something else has to be wrong or I should re-instal CS6. I installed everything properly, it is working with all other files, I do NOT want to reinstall programs or downgrade to CS5.5 (which I do not have) to solve a problem Adobe should fix or explain a useful workaround.

OK. there is one more solution : Converting MTS file with VLC player.
It takes not much time since you have it done 1-2 times!
1. Open VLC (you can download it free)
2.Click: Media-Convert
3. Add your MTS video file
4.Click Convert/Save
5. In Setting: select profile:Audio - MP3(MP4)
6.Click icon (screwdriver) of Select Profile- Encapsulation and select MP4/MOV
7. In Destination: browse for your folder where you keep the videos you work with.
8. In File Name: Type a name with exstension .mp4 (It is important! otherwise CS6 would not import your audio file, do not know why).
9. Click Save and Start.
10. Open your Destination folder - you will see your new MP4 file (actually it is a video file, but there will be Audio content only!)
Done! Now you can import it as audio to CS6 and place it in Audio Timeline under the original MTS video (which has no audio)